Time synchronization and carrier synchronization are cruxes of receiver. The reliability and stability of traditional analog demodulation are bad, and adjustment is complex.
时钟同步和载波同步是接收机的关键问题，传统模拟解调可靠性、稳定性差，调试复杂。
Secondly, a DSTFT(Discrete Short Time Fourier Transform )-based demodulation method for the 2FSK signal is studied and algorithms for symbol synchronization and symbol decision are analysed.
重点研究了基于离散短时傅里叶变换解调2FSK信号的方法，分析了几种码元同步算法和码元判决算法。
The shot noise and thermal noise with homodyne demodulation technique is given in this article. And phase noise induced with different time delay is also analyzed.
给出了采用零差解调技术时干涉系统的散粒噪声和热噪声，并且分析了在不同时间延迟情况下的相位噪声。
The time field analysis module contains the timely wave return, digital filter, axis center track analyzing, demodulation analyzing, trend analyzing, mutual analyzing.
时域分析包括时域波形回放、数字滤波、轴心轨迹分析、解调分析、趋势分析、相关分析。
Most of the current demodulation methods of 2fsk signal are in time domain.
现有解调2fsk信号的方法，大多采用时域解调的方式。
This paper reports a digital demodulation scheme for interrogating fiber Bragg grating (FBG) sensors based on a real-time calibration technique.
报道了一种采用实时校准技术的数字化光纤光栅传感解调方案。
One is called time-delay autocorrelation demodulation.
一种方法是时延自相关解调分析。
Based on the theory of modulation and demodulation, a key technique to realize the real-time transmission of multi-path local signals has been studied, as well as according to circuit.
研究了采用调制与解调方法实现多路现场信号实时传输的关键技术，设计了相应的调制与解调电路，解决了多路现场信号实时传输过程中存在的问题。
This paper presents a fast demodulation algorithm of a 2fsk signal based on short time cycle autocorrelation.
给出了一种基于短时循环自相关特性的2fsk信号快速解码算法。
A novel method of edge filter demodulation for fiber Bragg grating that use wavelength tunable laser was proposed. Real-time monitoring of the multiple points' dynamic strain could be achieved.
提出了利用波长可调谐激光器对光纤光栅进行边沿滤波解调的新方法，该方法可实现多个测点动态应变的实时监测。
Simulations show that for a 4-symbol parallel width 2-symbol output width demodulator, the demodulation loss caused by time domain truncation in the parallel filter is about 0.6 dB.
应用该公式分析并行宽度为4个码元，输出宽度为2个码元的解调器，并行滤波的时域截断导致的解调损失约为0。
Simulations show that for a 4-symbol parallel width 2-symbol output width demodulator, the demodulation loss caused by time domain truncation in the parallel filter is about 0.6 dB.
应用该公式分析并行宽度为4个码元，输出宽度为2个码元的解调器，并行滤波的时域截断导致的解调损失约为0。
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